What is the difference between BLOB and CLOB in Oracle?
What is the difference between BLOB and CLOB in Oracle?
The PARTDETAIL table in the database has a column, DRAWING, of type BLOB. BLOB stands for binary large objects, which are used for storing binary data, such as an image. CLOB stands for character large objects, which are used to store string data too large to be stored in a VARCHAR column.
What is CLOB and BLOB datatype in Oracle?
According to Oracle Docs, they are presented as follows : BLOB : Variable-length binary large object string that can be up to 2GB (2,147,483,647) long. A CLOB can store single-byte character strings or multibyte, character-based data. A CLOB is considered a character string.
What is the use of BLOB and CLOB in Oracle?
What is the difference between BLOB and CLOB datatypes?
| Blob | Clob |
|---|---|
| This is used to store large binary data. | This is used to store large textual data. |
| This stores values in the form of binary streams. | This stores values in the form of character streams. |
What is CLOB datatype in Oracle?
Stands for “Character Large Object.” A CLOB is a data type used by various database management systems, including Oracle and DB2. It stores large amounts of character data, up to 4 GB in size. CLOBs provide a way to store unusually large amounts of text, such as an entire book or publication.
What is the difference between CLOB and Blob?
The main differences between BLOB and CLOB are: BLOB stores values as LOB (Large OBject) in bitstreams. CLOB stores values as LOB (Large OBject) in character steams.
What is BLOB data type in MySQL?
BLOB Data Type in MySQL. A BLOB is a binary large object that can hold a variable amount of data. There are four types of BLOB provided below: TIMYBLOB. BLOB. MEDIUMBLOB. LONGBLOB.
What is Oracle lob?
What is LOB. LOB (large object) is a group of Oracle database build-in data types. Using LOB data types in Oracle database allows user to store large blocks of unstructured data, such as text, graphic images, video clips and sound waveforms, in character or binary format.
What is a blob image?
Informally, a blob is a region of an image in which some properties are constant or approximately constant; all the points in a blob can be considered in some sense to be similar to each other. The most common method for blob detection is convolution.